condition mean min max 12pM Fe,Midday 75.3756 75.3756 75.3756 12pM Fe,Midnight 45.91355 38.9998 52.8273 58pM Fe,Midday 63.7242 63.7242 63.7242 58pM Fe,Midnight 24.300371428571427 0.0 31.2555 233pM Fe,Midnight 18.625966666666667 18.3583 18.7833 1160pM Fe,Midday 49.95795714285714 42.5483 56.7975 1160pM Fe,Midnight 32.85745 13.328 47.2917 High carbon,Dark 24.944320666666666 6.47431 60.5286 High carbon,Light 27.736992307692308 7.469 53.0108 Low carbon,Dark 25.7698 25.7698 25.7698 Phloroglucinol 27.1036 22.7978 33.8532 Silicon starvation,12h 24.5217 24.5217 24.5217